<?php

class Kd_Data_Dcl_Expression_Fn_Avg extends Kd_Data_Dcl_Expression_Fn_Base{

    private $_field = '';

    public function  __construct($field) {
        $this->_field = $field;
    }

    public function getField(){
        return $this->_field;
    }
    public function setField($value){
        $this->_field = $value;
        return $this;
    }

    public function getFunctionType(){
        return 'avg';
    }
}